From 4013a5ada25241ead6a3265d6edf9aadb654dc00 Mon Sep 17 00:00:00 2001
From: Daniel Gustafsson <dgustafsson@postgresql.org>
Date: Mon, 27 May 2024 19:37:17 +0200
Subject: [PATCH] Fix check for memory allocation

Commit 61461a300c1 accidentally checked memory allocation success
using the wrong variable.

Author: Ranier Vilela <ranier.vf@gmail.com>
Reviewed-by: Jelte Fennema-Nio <postgres@jeltef.nl>
Reviewed-by: Daniel Gustafsson <daniel@yesql.se>
Discussion: https://postgr.es/m/CAEudQAqQFTH7xCB-+K6zEKjfqbhqCxcr_w4DuJTxVT6h3vzu2w@mail.gmail.com
---
 src/interfaces/libpq/fe-cancel.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/interfaces/libpq/fe-cancel.c b/src/interfaces/libpq/fe-cancel.c
index 4f00a91b51..b183eafffa 100644
--- a/src/interfaces/libpq/fe-cancel.c
+++ b/src/interfaces/libpq/fe-cancel.c
@@ -145,7 +145,7 @@ PQcancelCreate(PGconn *conn)
 	}
 
 	cancelConn->addr = calloc(cancelConn->naddr, sizeof(AddrInfo));
-	if (!cancelConn->connhost)
+	if (!cancelConn->addr)
 		goto oom_error;
 
 	cancelConn->addr[0].addr = conn->raddr;